/* ============================================================
   KAIYUN赛事 · 共享样式表 /assets/site.css
   深空蓝仪表盘 + 复古出版画板
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --void: #070B1E;
  --panel: #0E1A3C;
  --cream: #F4EBDC;
  --ink: #14100C;
  --paper: #E5D9C3;
  --cyan: #17E0C8;
  --orange: #FF6A1A;
  --yellow: #FFC83D;
  --muted: #7A86A8;
  --red: #C1272D;
  --muted-paper: #6B5C46;

  --line: rgba(122, 134, 168, .34);
  --line-strong: rgba(122, 134, 168, .6);
  --shadow: 6px 6px 0 rgba(0, 0, 0, .62);
  --shadow-sm: 4px 4px 0 rgba(0, 0, 0, .55);

  --wrap: 1280px;
  --gut: clamp(16px, 4vw, 40px);

  --font-display: "Arial Narrow", "Helvetica Neue Condensed", Arial, Helvetica,
                  "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
               "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas,
               "Liberation Mono", "Courier New", monospace;
  --font-serif: "Songti SC", "SimSun", "Source Han Serif SC", Georgia, serif;
}

/* ---------- 基础重置 ---------- */

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background-color: var(--void);
  background-image:
    linear-gradient(rgba(122, 134, 168, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 134, 168, .055) 1px, transparent 1px);
  background-size: 72px 72px;
  background-attachment: fixed;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}

main { display: block; }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.005em;
}

p { margin: 0 0 1em; }

ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

button { font: inherit; color: inherit; background: none; border: 0; }

table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

#main-content { scroll-margin-top: 84px; }

/* ---------- 跳至正文 ---------- */

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  transform: translateY(-220%);
  padding: 10px 16px;
  background: var(--cyan);
  color: var(--void);
  border: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  transition: transform .16s ease;
}
.skip-link:focus { transform: translateY(0); text-decoration: none; }

/* ============================================================
   站点头部 · 紧凑命令栏
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(7, 11, 30, .98);
  border-bottom: 2px solid var(--ink);
  backdrop-filter: blur(6px);
}
.site-header::after {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(23, 224, 200, .25) 44%, transparent 72%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 10px var(--gut);
}

.hdr-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--cream);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }

.brand__mark {
  display: inline-block;
  padding: 3px 6px;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  box-shadow: 3px 3px 0 rgba(23, 224, 200, .22);
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand--foot .brand__mark {
  border-color: var(--orange);
  color: var(--orange);
  box-shadow: 3px 3px 0 rgba(255, 106, 26, .22);
}

.board-switch {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 13px;
  border-left: 1px solid var(--line);
  line-height: 1.2;
}
.board-switch__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yellow);
}
.board-switch__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

/* 命令栏按钮 */

.cmdbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 220px;
  max-width: 560px;
  min-width: 0;
  padding: 9px 12px;
  background: var(--panel);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-sm);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  text-align: left;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease, color .12s ease;
}
.cmdbar:hover,
.cmdbar:focus-visible {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .6);
  border-color: var(--cyan);
  color: var(--cream);
}
.cmdbar__prompt { color: var(--cyan); flex: 0 0 auto; }
.cmdbar__hint {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cmdbar__short { display: none; flex: 1 1 auto; }
.cmdbar__key {
  flex: 0 0 auto;
  padding: 1px 6px;
  border: 1px solid var(--line);
  font-size: 11px;
  color: var(--muted);
}

/* 头部状态区 */

.hdr-status {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  flex: 0 0 auto;
}

.pulse {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  white-space: nowrap;
}
.pulse__dot {
  display: block;
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(23, 224, 200, .18);
  animation: kyPulse 2.6s ease-in-out infinite;
}
@keyframes kyPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .32; }
}

.clock {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cream);
  white-space: nowrap;
}

.hdr-link {
  padding: 5px 10px;
  border: 1px solid var(--line);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  white-space: nowrap;
  transition: color .12s ease, border-color .12s ease, background .12s ease;
}
.hdr-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(23, 224, 200, .08);
  text-decoration: none;
}

/* 移动导航按钮 */

.navbtn {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  background: var(--panel);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-sm);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  cursor: pointer;
}
.navbtn__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  flex: 0 0 auto;
}
.navbtn__bars::before,
.navbtn__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--cyan);
}
.navbtn__bars::before { top: -5px; }
.navbtn__bars::after { top: 5px; }
.navbtn__text { white-space: nowrap; }
.navbtn:hover { border-color: var(--cyan); }

/* ---------- 导航面板 ---------- */

.navpanel {
  display: none;
  max-height: min(78vh, 660px);
  overflow: auto;
  background: var(--panel);
  border-top: 2px solid var(--ink);
  box-shadow: 0 12px 0 rgba(0, 0, 0, .42);
}
.navpanel[data-open] {
  display: block;
  animation: kyPanelIn .18s ease both;
}
@keyframes kyPanelIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.navpanel__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 12px var(--gut);
  border-bottom: 1px dashed var(--line);
}

.navpanel__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--yellow);
}

.navpanel__modes {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.vbtn {
  padding: 6px 11px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color .12s ease, border-color .12s ease, background .12s ease;
}
.vbtn:hover { color: var(--cream); border-color: var(--cream); }
.vbtn[aria-pressed="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(23, 224, 200, .1);
}

.navpanel__close {
  padding: 6px 11px;
  background: transparent;
  border: 1px solid rgba(255, 106, 26, .55);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: background .12s ease, color .12s ease;
}
.navpanel__close:hover { background: var(--orange); color: #120A03; }

.navlist {
  display: grid;
  gap: 10px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(14px, 2.4vw, 24px) var(--gut) clamp(18px, 3vw, 30px);
}

.navlist__item { display: block; }

.navlist__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  background: linear-gradient(90deg, rgba(14, 26, 60, .96), rgba(7, 11, 30, .86));
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-sm);
  color: var(--cream);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 1.7vw, 20px);
  letter-spacing: .01em;
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
}
.navlist__link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(0, 0, 0, .62);
  border-color: var(--cyan);
  text-decoration: none;
}
.navlist__link::before {
  content: attr(data-idx);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--cyan);
}
.navlist__label { flex: 1 1 auto; min-width: 0; }
.navlist__meta {
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--muted);
}
.navlist__link[aria-current="page"] {
  border-color: var(--orange);
  box-shadow: 6px 6px 0 rgba(255, 106, 26, .3);
}
.navlist__link[aria-current="page"]::after {
  content: "当前";
  flex: 0 0 auto;
  padding: 2px 7px;
  background: var(--orange);
  color: #120A03;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .16em;
}

/* 时间轴视图 */
.navpanel[data-view="timeline"] .navlist__link {
  border-left: 4px solid var(--cyan);
}
.navpanel[data-view="timeline"] .navlist__link:hover {
  border-left-color: var(--orange);
}

/* 频道矩阵视图 */
.navpanel[data-view="matrix"] .navlist {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
}
.navpanel[data-view="matrix"] .navlist__link {
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  min-height: 104px;
  padding: 16px;
  background: linear-gradient(160deg, rgba(14, 26, 60, 1), rgba(7, 11, 30, 1));
}
.navpanel[data-view="matrix"] .navlist__link::before { color: var(--yellow); }
.navpanel[data-view="matrix"] .navlist__label { font-size: 18px; }
.navpanel[data-view="matrix"] .navlist__meta { display: none; }

/* ============================================================
   站点页脚
   ============================================================ */

.site-footer {
  position: relative;
  background: #0A1029;
  border-top: 3px solid var(--ink);
  color: var(--cream);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 42%, rgba(23, 224, 200, 0) 80%);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(180px, .85fr) minmax(0, 2.6fr);
  gap: clamp(24px, 4vw, 56px);
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(30px, 4.5vw, 60px) var(--gut) clamp(20px, 3vw, 34px);
}

.foot-brand .brand { display: inline-flex; }

.foot-brand__line {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: .12em;
  color: var(--muted);
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 32px);
}

.foot-col__title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .2em;
  color: var(--yellow);
}

.foot-list {
  display: grid;
  gap: 8px;
  list-style: none;
}
.foot-list a {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.55;
  border-bottom: 1px solid transparent;
  transition: color .12s ease, border-color .12s ease;
}
.foot-list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  text-decoration: none;
}

.foot-list--plain { gap: 14px; }
.foot-list--plain li { display: grid; gap: 3px; }

.foot-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.foot-v {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

.site-footer__base {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px var(--gut) 30px;
  border-top: 1px solid var(--line);
}
.foot-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ============================================================
   通用版式容器
   ============================================================ */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--gut);
  padding-right: var(--gut);
}

/* 画板 */

.board {
  position: relative;
  padding: clamp(28px, 4.5vw, 64px) 0;
  border-bottom: 2px solid var(--ink);
}
.board--void { background: var(--void); }
.board--panel { background: var(--panel); }
.board--paper { background: var(--cream); color: var(--ink); }

.board__head {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  max-width: var(--wrap);
  margin: 0 auto clamp(18px, 3vw, 34px);
  padding-left: var(--gut);
  padding-right: var(--gut);
}
.board__num {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid rgba(23, 224, 200, .45);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cyan);
}
.board--paper .board__num {
  color: var(--red);
  border-color: rgba(193, 39, 45, .45);
}
.board__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(25px, 3.6vw, 42px);
}
.board__sub {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.board--paper .board__sub { color: var(--muted-paper); }

.board__body {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--gut);
  padding-right: var(--gut);
}

/* 网格 */

.grid { display: grid; gap: clamp(14px, 2vw, 22px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.grid--flow { grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }

/* 卡片 */

.card {
  position: relative;
  padding: clamp(14px, 2.2vw, 24px);
  background: var(--panel);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
}
.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .66);
  border-color: rgba(23, 224, 200, .55);
}
.card--paper { background: var(--cream); color: var(--ink); }
.card--flat { box-shadow: none; }
.card--flat:hover { transform: none; box-shadow: none; }

.card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yellow);
}
.card__title {
  margin: .4em 0 .5em;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 24px);
}
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.card--paper .card__meta { color: var(--muted-paper); }

.corner-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  padding: 4px 9px;
  background: var(--orange);
  border: 2px solid var(--ink);
  color: #120A03;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

/* 标签 */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.tag--cyan {
  border-color: rgba(23, 224, 200, .6);
  color: var(--cyan);
  background: rgba(23, 224, 200, .08);
}
.tag--orange {
  border-color: rgba(255, 106, 26, .65);
  color: var(--orange);
  background: rgba(255, 106, 26, .1);
}
.tag--yellow {
  border-color: rgba(255, 200, 61, .6);
  color: var(--yellow);
  background: rgba(255, 200, 61, .08);
}
.tag--red {
  border-color: rgba(193, 39, 45, .7);
  color: #F0636A;
  background: rgba(193, 39, 45, .14);
}
.tag--solid {
  border-color: var(--orange);
  background: var(--orange);
  color: #120A03;
}

/* 按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--cyan);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-sm);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, color .12s ease;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .6);
  text-decoration: none;
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, .6);
}
.btn--alt { background: var(--orange); color: #120A03; }
.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  box-shadow: none;
  color: var(--cream);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: none; }

/* 面包屑 */

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.crumbs a {
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  text-decoration: none;
}
.crumbs__sep { color: var(--line-strong); }
.crumbs__here { color: var(--cream); }

/* 正文长文 */

.prose {
  max-width: 72ch;
  font-size: 17px;
  line-height: 1.85;
}
.prose h2 {
  margin: 1.8em 0 .6em;
  font-size: clamp(22px, 2.6vw, 30px);
}
.prose h3 {
  margin: 1.5em 0 .5em;
  font-size: clamp(18px, 2vw, 22px);
}
.prose ul,
.prose ol {
  margin: 0 0 1.2em 1.2em;
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .5em; }
.prose a { border-bottom: 1px solid var(--cyan); }
.prose strong { font-weight: 700; }
.prose code {
  padding: 1px 5px;
  background: rgba(122, 134, 168, .16);
  font-family: var(--font-mono);
  font-size: .92em;
}
.prose--serif { font-family: var(--font-serif); line-height: 1.95; }
.prose--paper { color: var(--ink); }

/* 图片容器 */

.figure {
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}
.figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: linear-gradient(140deg, #132551 0%, #070B1E 55%, #0E1A3C 100%);
}
.figure__img--tall { aspect-ratio: 3 / 4; }
.figure__img--square { aspect-ratio: 1 / 1; }
.figure__img--wide { aspect-ratio: 21 / 9; }
.figure__cap {
  padding: 10px 13px;
  border-top: 1px dashed var(--line);
  background: rgba(7, 11, 30, .65);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.figure--paper .figure__cap {
  background: var(--paper);
  border-top-color: rgba(20, 16, 12, .18);
  color: var(--muted-paper);
}

/* 等宽工具类 */

.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
}
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.kv {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.rule {
  height: 2px;
  margin: clamp(18px, 3vw, 32px) 0;
  border: 0;
  background: linear-gradient(90deg, var(--cyan), transparent 70%);
}

/* 显现动效 */

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .38s ease, transform .38s ease;
}
html.js [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1120px) {
  .pulse { display: none; }
}

@media (max-width: 1080px) {
  .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1000px) {
  .board-switch { display: none; }
}

@media (max-width: 899px) {
  .cmdbar { display: none; }
  .navbtn { display: inline-flex; }
}

@media (max-width: 820px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .foot-brand__line { margin-top: 8px; }
}

@media (max-width: 760px) {
  .hdr-link { display: none; }
  .board__head { gap: 10px; }
  .board__sub { width: 100%; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .clock { display: none; }
  .brand__name { font-size: 16px; }
  .navpanel__modes { margin-left: 0; width: 100%; }
  .navpanel__close { margin-left: auto; }
  .site-footer__base { flex-direction: column; }
}

@media (max-width: 480px) {
  .foot-cols { grid-template-columns: 1fr; }
}

/* ============================================================
   减弱动效
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html.js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .navpanel[data-open] { animation: none; }
}